1389554121878

Names of 1389554121878

• Cardinal: 1389554121878 can be written as One trillion, three hundred eighty-nine billion, five hundred fifty-four million, one hundred twenty-one thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 1.389554121878 × 10¹²

Factors of 1389554121878

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5437

Divisors of 1389554121878

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 26 79 151 158 302 1027 1093 1963 2054 2186 3926 4099 8198 11929 14209 23858 28418 53287 86347 106574 155077 165043 172694 310154 323821 330086 618949 647642 1122511 1237898 2145559 2245022 4209673 4291118 4480207 8046337 8419346 8960414 13038397 16092674 26076794 48896971 58242691 97793942 116485382 169499161 338998322 353936353 635660623 676511257 707872706 1271321246 1353022514 4601172589 8794646341 9202345178 17589292682 53444389303 106888778606 694777060939 1389554121878
• Sum of all divisors σ(n): 2290783488000
• Sum of proper divisors (its aliquot sum) s(n): 901229366122
• 1389554121878 is a deficient number, because the sum of its proper divisors (901229366122) is less than itself. Its deficiency is 488324755756

Bases of 1389554121878

• Binary: 10100001110000111111000010011110010010110₂
• Hexadecimal: 0x14387E13C96
• Base-36: HQCONAFQ

Squares and roots of 1389554121878

• 1389554121878 squared (1389554121878²) is 1930860657628139678246884
• 1389554121878 cubed (1389554121878³) is 2683035385579247232869078355109728152
• The square root of 1389554121878 is 1178793.5026449713
• The cube root of 1389554121878 is 11158.9968659105

Scales and comparisons

• 1,389,554,121,878 seconds is equal to 44,183 years, 27 weeks, 1 day, 8 hours, 4 minutes, 38 seconds.
• To count from 1 to 1,389,554,121,878 would take you about one hundred ten thousand, four hundred fifty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1389554121878 cubic inches would be around 929.9 feet tall.

Recreational maths with 1389554121878

• 1389554121878 backwards is 8781214559831
• The number of decimal digits it has is: 13
• The sum of 1389554121878's digits is 62
• More coming soon!